1 72 ON THE STAPELIEJE OF THTTNBEKg's HERBARIUM 



Fig. 4. Trichocanlon flavum, corona ; niagn. G diam. 



5. Boucerosia (§ Turimntha) mammillaris, open flower; natural size. 

 0. Ditto, portion of corolla-lobe ; magnified. 



7-10. Ditto, side and front views of coronas from plants sent to Kew by 

 Sir H. Barkly ; magn. 6 diam. 



11. Ditto, corona from specimen preserved in spirits in the British Museum ; 



magn. 6 diam. 



12. Ditto, pollinia, as seen in natural position ; magn. 



13. Ditto, dorsal view of gland of pollinia ; magn. 



14. Boucerosia (§ Purisantha) incarnafa, the flower. 



15. Ditto, corona (half view), with the lobes represented in their probable 



position, 



16. Ditto, corona (half view), with the lobes as found in the dried specimen. 



17. Ditto, pollinia. All magnified. 



18. Stapelia hirsuta, Herb. Thunb. (sheet a, left-hand specimen), lobe o< 



outer corona. 



19. Ditto, two lobes of inner corona from the same flower. 



20. Ditto (sheet a, right-hand specimen), lobe of outer corona. 



21. Ditto, lobe of inner corona. 



22. Ditto (sheet b), lobe of outer corona. 



23. Ditto, lobe of inner corona. 



Plate XII. 



Pig. 1. Diplocyatha ciliata, longitudinal section of corolla-tube ; magnified 



about 3 diam. 



2. Ditto, corona ; magn. 10 diam . 



3. Ditto, pollinia, with the gland bent out of its proper position; much 



magnified. 



4. Sarcocodon speciosus, portion of an inflorescence ; natural size. 



5. Ditto, showing bud and portion of stem. 



6. Ditto, bract ; magnified 6 diam. 



7. Ditto, calyx, showing the broad basal squamae ; magn. 4 diam. 



8. Ditto, corona , magn. 3 diam. 



9. Haerniopsis decipiens, portion of plant ; natural size. 



10. Ditto, entire corona ; magn. 



11. Ditto, one lobe of corona, side view; magn. 



12. Ditto, one of the clavate hairs from corolla ; magn. 13 diam. 



13. Ditto, pollinia ; magn. about 30 diam. 



